package com.zyz.async;

import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.AsyncResult;
import org.springframework.stereotype.Component;

import java.util.Random;
import java.util.concurrent.Future;

/**
 * @author 娃娃鱼
 * @date 2018/3/27 19:27
 */
@Component
public class Task {

    private static Random random = new Random();

    @Async
    public Future<String> doTaskOne() throws InterruptedException {
        System.out.println("开始任务一");
        long start = System.currentTimeMillis();
        Thread.sleep(random.nextInt(10000));
        long end = System.currentTimeMillis();
        System.out.println("完成任务一，耗时：" + (end - start) + "毫秒");
        return new AsyncResult<>("任务一完成");
    }

    @Async
    public Future<String> doTaskTwo() throws InterruptedException {
        System.out.println("开始任务二");
        long start = System.currentTimeMillis();
        Thread.sleep(random.nextInt(1000));
        long end = System.currentTimeMillis();
        System.out.println("任务二结束：耗时" + (end - start) + "毫秒");
        return new AsyncResult<>("任务二完成");
    }

    @Async
    public Future<String> doTaskThree() throws InterruptedException {
        System.out.println("开始做任务三");
        long start = System.currentTimeMillis();
        Thread.sleep(random.nextInt(10000));
        long end = System.currentTimeMillis();
        System.out.println("完成任务三，耗时：" + (end - start) + "毫秒");
        return new AsyncResult<>("任务三完成");
    }
}
